[NTG-pdftex] [ pdftex-Feature Requests-316 ] cmap, pdftex, distiller

noreply at sarovar.org noreply at sarovar.org
Mon Jul 30 13:45:20 CEST 2007


Feature Requests item #316, was opened at 2005-03-21 16:28
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Category: None
Group: None
>Status: Closed
Resolution: None
Priority: 5
Submitted By: Michael Zedler (zedler)
Assigned to: Nobody (None)
Summary: cmap, pdftex, distiller

Initial Comment:
Hello,

In order to make pdf files searchable for non-latin
characters (e.g. polytonic greek) one needs to include
so-called cmap files into the pdf. As far as I know
such a pdf can be generated by either
 1) using pdflatex with cmap.sty and an appropriate
.cmap file
 2) using dvips+Distiller (not ps2pdf) 

Adobe Distiller seems to contain extra logic to
automatatically generate appropriate cmaps and also
translate ligatures into single-letter cmap entries.
Generating cmap files by hand is pretty tedious, in
particular if the encoding is automatically generated
by e.g. a tool like otftotfm (non-standard ligatures
are automatically but into free encoding slots;
depending on the font version the assignment varies). 
Thus for the pdftex approach it'd be very nice to have
this automatism, too. Possible?

Michael

----------------------------------------------------------------------

>Comment By: The Thanh Han (hanthethanh)
Date: 2007-07-30 11:45

Message:
Logged In: YES 
user_id=710

This feature has been implemented in pdftex (patch #580).

----------------------------------------------------------------------

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